oj.uz

Submission #940114

# Submission time Handle Problem Language Result Execution time Memory
940114 2024-03-07T05:44:41 Z Trisanu_Das Beech Tree (IOI23_beechtree) C++17
22 / 100
 105 ms 60056 KB 
#include <beechtree.h>
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define all(x) x.begin(), x.end()
const int N = 2e5+100;
 
int sz[N];
vector<array<int, 2>> g[N];
vector<int> ans;
set<int> C[N];
 
void dfs(int v){
	ans[v] = 1;
	sz[v] = 1;
	for(auto U: g[v]){
		int u = U[0], c = U[1];
		dfs(u);
		sz[v] += sz[u];
		ans[v] &= ans[u];
		if(C[v].find(c) != C[v].end()) ans[v] = 0;
		C[v].insert(c);
	}
	if(ans[v] == 0) return;
	sort(all(g[v]), [&](const array<int, 2> &x, const array<int, 2> &y){
		return sz[x[0]] > sz[y[0]];
	});
	for(int i = 0; i < g[v].size(); ++i){
		int x = (i == 0 ? v : g[v][i - 1][0]), y = g[v][i][0];
		for(auto col: C[y]){
			if(C[x].find(col) == C[x].end()){
				ans[v] = 0;
				break;
			}
		}
	}
}
 
vector<int> beechtree(int n, int m, vector<int> P, vector<int> C){
	for(int i = 1; i < n; ++i) g[P[i]].pb({i, C[i]});
	ans.resize(n);
	dfs(0);
	return ans;
}

Compilation message

beechtree.cpp: In function 'void dfs(int)':
beechtree.cpp:28:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::array<int, 2> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |  for(int i = 0; i < g[v].size(); ++i){
      |                 ~~^~~~~~~~~~~~~

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 14940 KB Output is correct
2 Correct 3 ms 14940 KB Output is correct
3 Incorrect 3 ms 14936 KB 2nd lines differ - on the 1st token, expected: '0', found: '1'
4 Halted 0 ms 0 KB -

Subtask #1
0.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 14940 KB Output is correct
2 Correct 3 ms 14936 KB Output is correct
3 Correct 3 ms 14940 KB Output is correct
4 Correct 5 ms 14940 KB Output is correct
5 Correct 4 ms 14940 KB Output is correct
6 Correct 3 ms 14936 KB Output is correct
7 Correct 3 ms 14952 KB Output is correct
8 Correct 3 ms 14940 KB Output is correct
9 Correct 3 ms 14940 KB Output is correct
10 Incorrect 3 ms 14940 KB 2nd lines differ - on the 1st token, expected: '0', found: '1'
11 Halted 0 ms 0 KB -

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 14940 KB Output is correct
2 Correct 3 ms 14936 KB Output is correct
3 Correct 3 ms 14940 KB Output is correct
4 Correct 5 ms 14940 KB Output is correct
5 Correct 4 ms 14940 KB Output is correct
6 Correct 3 ms 14936 KB Output is correct
7 Correct 91 ms 60056 KB Output is correct
8 Correct 91 ms 59984 KB Output is correct
9 Correct 3 ms 14940 KB Output is correct
10 Correct 3 ms 14940 KB Output is correct
11 Correct 3 ms 14940 KB Output is correct
12 Correct 3 ms 14940 KB Output is correct
13 Correct 5 ms 15196 KB Output is correct
14 Correct 4 ms 15248 KB Output is correct
15 Correct 4 ms 15268 KB Output is correct
16 Correct 5 ms 15196 KB Output is correct
17 Correct 89 ms 59596 KB Output is correct
18 Correct 85 ms 59984 KB Output is correct
19 Correct 85 ms 59988 KB Output is correct
20 Correct 86 ms 60048 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 14936 KB Output is correct
2 Correct 3 ms 14940 KB Output is correct
3 Correct 4 ms 14940 KB Output is correct
4 Correct 3 ms 14940 KB Output is correct
5 Correct 3 ms 14940 KB Output is correct
6 Correct 3 ms 14940 KB Output is correct
7 Correct 3 ms 14940 KB Output is correct
8 Correct 3 ms 14940 KB Output is correct
9 Correct 3 ms 14936 KB Output is correct
10 Correct 3 ms 14940 KB Output is correct
11 Correct 4 ms 14940 KB Output is correct
12 Correct 4 ms 14940 KB Output is correct
13 Correct 3 ms 14940 KB Output is correct
14 Correct 4 ms 14940 KB Output is correct
15 Correct 59 ms 24264 KB Output is correct
16 Correct 52 ms 23692 KB Output is correct
17 Correct 54 ms 23884 KB Output is correct
18 Correct 55 ms 24144 KB Output is correct

Subtask #4
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 14940 KB Output is correct
2 Correct 3 ms 14936 KB Output is correct
3 Correct 3 ms 14952 KB Output is correct
4 Correct 3 ms 14940 KB Output is correct
5 Correct 91 ms 60056 KB Output is correct
6 Correct 91 ms 59984 KB Output is correct
7 Correct 3 ms 14940 KB Output is correct
8 Correct 4 ms 14940 KB Output is correct
9 Correct 6 ms 14940 KB Output is correct
10 Correct 5 ms 15012 KB Output is correct
11 Correct 81 ms 35492 KB Output is correct
12 Correct 105 ms 32040 KB Output is correct

Subtask #5
0.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 14940 KB Output is correct
2 Correct 3 ms 14940 KB Output is correct
3 Incorrect 3 ms 14936 KB 2nd lines differ - on the 1st token, expected: '0', found: '1'
4 Halted 0 ms 0 KB -

Subtask #6
0.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 14940 KB Output is correct
2 Correct 3 ms 14936 KB Output is correct
3 Correct 3 ms 14952 KB Output is correct
4 Correct 3 ms 14940 KB Output is correct
5 Correct 3 ms 14940 KB Output is correct
6 Incorrect 3 ms 14940 KB 2nd lines differ - on the 1st token, expected: '0', found: '1'
7 Halted 0 ms 0 KB -

Subtask #7
0.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 14940 KB Output is correct
2 Correct 3 ms 14940 KB Output is correct
3 Incorrect 3 ms 14936 KB 2nd lines differ - on the 1st token, expected: '0', found: '1'
4 Halted 0 ms 0 KB -

Subtask #8
0.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 14940 KB Output is correct
2 Correct 3 ms 14936 KB Output is correct
3 Correct 3 ms 14952 KB Output is correct
4 Correct 3 ms 14940 KB Output is correct
5 Correct 3 ms 14940 KB Output is correct
6 Incorrect 3 ms 14940 KB 2nd lines differ - on the 1st token, expected: '0', found: '1'
7 Halted 0 ms 0 KB -

Subtask #9
0.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 14940 KB Output is correct
2 Correct 3 ms 14940 KB Output is correct
3 Incorrect 3 ms 14936 KB 2nd lines differ - on the 1st token, expected: '0', found: '1'
4 Halted 0 ms 0 KB -